Home / 13,046.36-18,003.48-7,077.82

Finding the Fourth Proportional to 13,046.36, 18,003.48 and 7,077.82

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Solution

The fourth proportional to 13,046.36, 18,003.48 and 7,077.82 is: 9,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.36 : 18,003.48 = 7,077.82 : x
  2. Step 2: Convert to fraction form
    13,046.36/18,003.48 = 7,077.82/x
  3. Step 3: Cross multiply
    13,046.36x = 18,003.48 × 7,077.82
  4. Step 4: Simplify right side
    13,046.36x = 127,425,390.81
  5. Step 5: Solve for x
    x = 127,425,390.81/13,046.36
  6. Step 6: Final answer
    x = 9,767.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.